1
James L Sosler, Thomas P Hambleton: Barrier carton with reclosable pour spout. International Paper Company, Walt Thomas Zielinski, September 6, 1988: US04768703 (49 worldwide citation)

An open ended carton including a membrane liner and a cover having a peripherally depending flange which overlies a top end portion of the carton. A transverse score line in the cover and contiguous perforation lines in the flange divide the cover into first and second sections to provide a hinged p ...


2
Thomas P Hambleton, Benjamin J Cassidy, James L Sosler: Openable and reclosable carton. International Paper Company, Walt Thomas Zielinski, March 22, 1988: US04732275 (10 worldwide citation)

An openable and reclosable pour spout forming carton formed from a one-piece blank of paperboard. The carton is generally brick shaped and has a sealing fin on its upper surface, the fin defined by two panels sealingly adhered together. This double thickness fin is adhered to the top of the carton b ...